Mimosa - β Crucis (beta Crucis)
Mimosa, also designated as β Crucis (beta Crucis), is a variable and multiple hypergiant star in the constellation of Crux.
Mimosa visual magnitude is 1.25, making it the 19th brightest star in the sky. Thanks to its high brightness, Mimosa is clearly visible when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.
The proper motion of Mimosa is -0.048 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about Mimosa
Celestial coordinates and finder chart of Mimosa
Mimosa is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Mimosa are provided in the following table:
The simplified sky map below shows the position of Mimosa in the sky:
Visibility of Mimosa from your location
Distance of Mimosa from the Sun and relative movement
Mimosa is distant 352.43 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.
Spectral properties of Mimosa
Mimosa belongs to spectral class B0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where Mimosa is situated in the Hertzsprung–Russell diagram.
Mimosa star system properties
Mimosa is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Mimosa double sysyem: